nt7528 otc.txt

CSTN用IC NT7528-OTC 程序参考！

;********************STEP ONE****************
CLR  RES
MOV  A,#0D1H    ;ENABLE OSCILLATOR
CALL W_COM
MOV  A,#94H     ;EXIT SLEEP MODE
CALL W_COM
MOV  A,#20H     ;TURN ON THE REFERENCE VOLTAGE GENERATOR,INTERNAL REGULATOR AND VOLTAGE FOLLOWER,SELECT BOOSTER LEVEL
CALL W_COM
MOV  A,#07H
CALL W_DATA
MOV  A,#0CAH;     SET DUTY RATIO
CALL W_COM
MOV  A,#00H
CALL W_DATA
MOV  A,#13H     ;80MUX([80/4]-1=19(DECIMAL)/10(HEX))
CALL W_DATA
MOV  A,#00H
CALL W_DATA
MOV  A,#0F7H    ;SET PWM/FRC
CALL W_COM
MOV  A,#28H     ;PURE  PWM
CALL W_DATA
MOV  A,#2CH
CALL W_DATA
MOV  A,#05H
CALL W_DATA
MOV  A,#0FBH    ;SET BIASING RATIO
CALL W_COM
MOV  A,#05H     ;BIAS=1/9
CALL W_DATA
MOV  A,#81H     ;SET TARGET GAIN AND CONTRAST
CALL W_COM
MOV  A,#0DH    ;CONTRAST=14
CALL W_DATA
MOV  A,#05H    ;(1+Rb/Ra)=7.16
CALL W_DATA 
MOV  A,#15H    ;SET COLUMN ADDRESS 
CALL W_COM
MOV  A,#00H    ;SET START COLUMN ADDRESS AT 0
CALL W_DATA
MOV  A,#47H    ;SET END COLUMN ADDRESS AT 71 DEC
CALL W_DATA
MOV  A,#75H    ;SET PAGE ADDRESS
CALL W_COM
MOV  A,#00H    ;SET START PAGE ADDRESS AT O
CALL W_DATA
MOV  A,#33H    ;SET END PAGE ADDRESS AT 51 DEC
CALL W_DATA
MOV  A,#5CH     ;WRITE TARGET CONTENT TO GDDRAM
CALL W_COM
MOV  A,#??????????????????????????H    
CALL W_DATA
MOV  A,#0AFH    ;DISPLAY ON
CALL W_COM
;******************STEP TWO**********************
CLR  RES
MOV  A,#0D1H   ;ENABLE OSCILLATOR
CALL W_COM
MOV  A,#94H    ;EXIT SLEEP MODE
CALL W_COM
CLR  P3.7      ;14.5V~15.5V
MOV  A,#0F6H   ;SET OTC OFFSET VALUE TO +2(0010)
CALL W_COM
MOV  A,#12H
CALL W_DATA
MOV  A,#0AH
CALL W_DATA
MOV  A,#0F8H   ;SEND THE OTC PROGRAM COMMAND
CALL W_COM
DM   100       ;WAIT 100 MS
CLR  RES